Fatal error: Uncaught Error: SimpleBatchUpload\SimpleBatchUpload::registerEarlyConfiguration(): Argument #1 ($targetConfiguration) cannot be passed by reference in /var/www/vhosts/htk.de/wiki.htk.de/mediawiki_1/extensions/SimpleBatchUpload/src/SimpleBatchUpload.php:42 Stack trace: #0 /var/www/vhosts/htk.de/wiki.htk.de/mediawiki_1/includes/registration/ExtensionRegistry.php(527): SimpleBatchUpload\SimpleBatchUpload::initCallback() #1 /var/www/vhosts/htk.de/wiki.htk.de/mediawiki_1/includes/registration/ExtensionRegistry.php(279): ExtensionRegistry->exportExtractedData() #2 /var/www/vhosts/htk.de/wiki.htk.de/mediawiki_1/includes/Setup.php(278): ExtensionRegistry->loadFromQueue() #3 /var/www/vhosts/htk.de/wiki.htk.de/mediawiki_1/includes/WebStart.php(86): require_once('...') #4 /var/www/vhosts/htk.de/wiki.htk.de/mediawiki_1/index.php(46): require('...') #5 {main} thrown in /var/www/vhosts/htk.de/wiki.htk.de/mediawiki_1/extensions/SimpleBatchUpload/src/SimpleBatchUpload.php on line 42